# DOI: https://doi.org/10.5880/Kp.0001
# LICENCE: CC BY 4.0, please cite:
# Matzka, J., Bronkalla, O., Tornow, K., Elger, K. and Stolle, C., 2021.
# Geomagnetic Kp index. V. 1.0. GFZ Data Services,
# https://doi.org/10.5880/Kp.0001
# Matzka, J., Stolle, C., Yamazaki, Y., Bronkalla, O. and Morschhauser, A.,
# 2021. The geomagnetic Kp index and derived indices of geomagnetic activity.
# Space Weather, https://doi.org/10.1029/2020SW002641
# The Kp index was introduced by Bartels (1949) and is produced by Geomagnetic
# Observatory Niemegk, GFZ German Research Centre for Geosciences.
  International           Quietest Days                 Most Disturbed Days
  Month
            Q1  Q2  Q3  Q4  Q5    Q6  Q7  Q8  Q9  Q10   D1  D2  D3  D4  D5

 Jan 1945   24  25  11  23  14    22  31   8  27  21    29  15  10  17* 16*
 Feb 1945   21  13  20   1   4    19  14K 23K 24   7A   15  16  26  27*  5*
 Mar 1945   23  22  30  31   4    19  10   2K  1   9K   15  26  28  12  11 
 Apr 1945   28  26   9  27  21    17  10  18   3K 29     1  11  12  14   6 
 May 1945    7  15  22   8   6     5  28   4  17  26K   11  30* 25*  3* 12*
 Jun 1945   22  29   4   2   1    21  15  24  26  16     6   8*  7* 10* 27*
 Jul 1945   27  20  15  21  10    22  11  13  25  26     1   6  30*  5*  8*
 Aug 1945   20  10  19  18  30    25  26   9  24  31    28   2* 14* 23* 13*
 Sep 1945   24  23  15  14  10     3   8   7   1K 29    18  17   4* 30* 12*
 Oct 1945   11  10   4   3  26    23   6  31  21  15    24  25  28  12  16*
 Nov 1945   26   6  24  19   7     1   2  30  27  20     9  11* 12* 16* 10*
 Dec 1945    4  22   1   3  11    12   2K 18  16   5K   14  27  28  20  26